In Japan, where fish has long been woven into the fabric of daily life and national identity, a quiet shift is underway at the supermarket counter. Faced with declining consumption among younger generations and mounting pressure from supply shortages, retailers and restaurateurs are turning to an unlikely partner — fruit — to rekindle an appetite that tradition alone can no longer sustain. The pairing of tuna with mango or salmon with peach is less a culinary whim than a considered response to scarcity, changing palates, and the enduring human instinct to find new ways through old problems.